18498+4145 UC 3690AB

 
 
18h 49m 43.87s +41 44' 36.8" P.A. 29 sep 52.9 mag 11.90,14.94 Sp +K7.7
 
 
Coord 2000
18498+4145
Discov num
UC 3690
Comp
AB
Coord arcsec 2000
18 49 43.87 +41 44 36.8
Date first
2000
Date last
2015
Obs
3
Pa first
29
Pa last
29
P.A. Now (θ)
29°
Sep first
53.0
Sep last
52.9
Sep. Now (ρ)
52.9"
Mag pri
11.90
Mag sec
14.94
delta mag (ΔM)
3.04
Spectral class
+K7.7
Pri motion ra
+002
Sec motion ra
-011
Pri motion dec
+062
Sec motion dec
+055
Notes
V (Proper motion indicates physical)
rPM=0.238 (< 0.3, Physical double)
This double is physical.
 
 
18498+4145 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18498+4145 UC 3690 AB 2000 2015 3 29 52.9 11.90 14.94 3.04 <===
Show 18498+4145 SLW1222 BC 2000 2005 3 53 22.0 14.94 16.51 1.57
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
28.5
Precise sep
52.892
Constellation
Lyra
last precise pa
28.5
last precise sep
52.892
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18498+4145 UC 3690 AB 2000 2 29 53.0 11.90 14.94 K7.7 V 184943.87+414436.8
18498+4145 UC 3690 AB 2003 2 29 52.9 11.90 14.94 K7.7 V 184943.87+414436.8
18498+4145 UC 3690 AB 2015 3 29 52.9 11.90 14.94 +K7.7 V 184943.87+414436.8

If you need more information about this double, apply for a data request form to the WDS.